The more heavily used a bar is, the more microorganisms it holds. But does that really mean it's time to leave bar soaps behind?
It is possible you are holding your phone, right now, in your hand, and it is just simply covered in bacteria.
"If you'd ever seen the inside of an ice machine with black mold along the sides, you'd be damaged for life."
Or on a good day, sour cream n' onion potato chips.
Don't rely on the sniff test.
Washing your dishes and your genitals with the same soap is weird.