open chrome profiles via command line.
https://superuser.com/questions/377186/how-do-i-start-chrome-using-a-specified-user-profile
https://peter.sh/experiments/chromium-command-line-switches/
works
/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome https://howchoo.com --profile-directory=Profile\ 5
cd ~/Library/Application\ Support/Google/Chrome