Object.is_a?(Object) funkiness https://twitter.com/henrik/status/1573952719735455744

with_foo.rb

class Foo
  private
  def bar = "bar"
end

foo = Foo.new
p foo.methods.include?(:bar) # => false
p foo.method(:bar) # Method
p Foo.instance_method(:bar) # Method

with_object.rb

class Object
  private
  def bar = "bar"
end

foo = Object
p foo.methods.include?(:bar) # => false
p foo.method(:bar) # Method
p Object.instance_method(:bar) # Method