splat confusion

splat.rb

irb(main):014:0> def low(a,b)
irb(main):015:1>   a+b
irb(main):016:1> end
=> :low
irb(main):017:0> def high(*args, **kwargs)
irb(main):018:1>   low(*args, **kwargs)
irb(main):019:1> end
=> :high
irb(main):020:0> high(1,2)
=> 3
irb(main):021:0> class Low
irb(main):022:1>   def initialize(a,b)
irb(main):023:2>     @a = a
irb(main):024:2>   end
irb(main):025:1> end
=> :initialize
irb(main):026:0> def broken_high(*args, **kwargs)
irb(main):027:1>   Low.new(*args, **kwargs)
irb(main):028:1> end
=> :broken_high
irb(main):029:0> broken_high(1,2)
Traceback (most recent call last):
        5: from /usr/bin/irb:11:in `<main>'
        4: from (irb):29
        3: from (irb):27:in `broken_high'
        2: from (irb):27:in `new'
        1: from (irb):22:in `initialize'
ArgumentError (wrong number of arguments (given 3, expected 2))

transparency.rb

irb(main):012:0> class Foo
irb(main):013:1> def initialize
irb(main):014:2> end
irb(main):015:1> end
=> :initialize
irb(main):016:0> Foo.new(**{})
=> #<Foo:0x000055e2f66e9a18>
irb(main):017:0> h={}
=> {}
irb(main):018:0> Foo.new(**h)
Traceback (most recent call last):
        4: from /usr/bin/irb:11:in `<main>'
        3: from (irb):18
        2: from (irb):18:in `new'
        1: from (irb):13:in `initialize'
ArgumentError (wrong number of arguments (given 1, expected 0))