I have never really thought about it. I used HT's professionally for 40+ years. During those times a radio was a tool that was used while performing a task. Pushing the button just happened without thinking about it. In my use of radios, Amateur and GMRS, again, I haven't given it any thought at all as long as it works.
Trigger pull is a different animal all together. That is something to which I paid great attention professionally and recreationally. And even there, once it was where it needed to be it became a function of muscle memory.
If you asked me the differences in trigger pull for firearms I own I could give you descriptions of each. Ask the same questions about my radio PTT I could only tell either it works or doesn't. Of course now, at least for a while, I will pay attention, maybe.