Google App Script that manipulates some events on user's G Calendar.

My Google Calendar App Script.js

/*
    01010111 01100001 01110100 01100101 01110010
             01111001 01101111 01101111
    01100100 01101111 01101001 01101110 00100111
    01101000 01100101 01111001 01100001 00111111
                      00100001
*/

/*
 Settings
*/
let defaultEventTitle = `Blocker: Lightning Talk`;
let searchTerm = `Lightning Talk`;

let removeAllAlertsSearchTerms = [
  `Remote Lunch`, 
  `Review Preparation for presenters`
];

let declineEventSearchTerms = [
  `Scrum-of-Scrums`
];

/*
---------------------------------------------------------------------------
 Main
*/

// Globals
let defaultCalendar = CalendarApp.getDefaultCalendar();
let now = new Date();

function main() {
    Logger.log(`Running on: ` + now);
    processLightningTalkEvents();
    processRemoveAllRemindersSearch();
    processDeclineEventsSearch();
}

/*
 -----------------------------------------------------------------------------
 Processes
*/
function processLightningTalkEvents() {
    let event = getLightningTalkEvent();
    if (event) {
        let title = event.getTitle();
        if (title == defaultEventTitle) {
            removeReminders(event);
        } else {
            addReminders(event);
        }
    }
}


function processRemoveAllRemindersSearch() {
    // Remove reminders
    removeAllAlertsSearchTerms.forEach((searchTerm, idx) => {
        let eventsForDay = defaultCalendar.getEventsForDay(now, {search: searchTerm});
        Logger.log(`Processing search term: ` + searchTerm + `. Got ` + eventsForDay.length + ` matches.`);
        if (eventsForDay.length === 0) console.warn(`Did not find match for: ${searchTerm} on date: ${now}.`)
        eventsForDay.forEach((event, idx) => removeReminders(event));
    });
}

function processDeclineEventsSearch() {
  declineEventSearchTerms.forEach((searchTerm, idx) => {
        let eventsForDay = defaultCalendar.getEventsForDay(now, {search: searchTerm});
        Logger.log(`Processing search term: ` + searchTerm + `. Got ` + eventsForDay.length + ` matches.`);
        if (eventsForDay.length === 0) console.warn(`Did not find match for: ${searchTerm} on date: ${now}.`)
        eventsForDay.forEach((event, idx) => declineEvent(event));
    });
}

/*
 ---------------------------------------------------------------------------
 Utility
*/

function getLightningTalkEvent() {
    // Finds the event blocker lightning talk event.
    let eventsForDay = defaultCalendar.getEventsForDay(now, {search: searchTerm});

    if (eventsForDay.length == 0) {
        console.warn(`Did not find any events matching search: ` + searchTerm
            + ` for date: ` + now);
    } else if (eventsForDay.length == 1) {
        Logger.log(`Found a single event matching search: ` + searchTerm + ` with title: ` + eventsForDay[0].getTitle());
        return eventsForDay[0];
    } else {
        console.warn(`Found unexpected number of events matching search: ` + searchTerm
            + `. Count: ` + eventsForDay.length
            + eventsForDay.map((e, idx) => idx + ` -: ` + e.getTitle()).join('\n'));
    }
}

function removeReminders(event) {
    // Remove all reminder from given event.
    Logger.log(`Removing all reminder from event: ` + event.getTitle() + `, ID: ` + event.getId());
    event.removeAllReminders();
}

function addReminders(event) {
    // Adds default reminders to the given event.
    Logger.log(`Resetting reminder for event: ` + event.getTitle() + `, ID: ` + event.getId());
    event.resetRemindersToDefault();
}

function declineEvent(event) {
  // Declines the given event.
  Logger.log(`Setting my status for event ${eventToStr(event)} to: ${CalendarApp.GuestStatus.NO}`);
  event.setMyStatus(CalendarApp.GuestStatus.NO);
}

function eventToStr(event) { 
  return `event: ${event.getTitle()}, ID: ${event.getId()}`; 
}