Exclusive track arming
An option to disarm all other tracks when you arm the current track. This makes it quicker to pursue an idea because you don’t have to constantly check to see if other tracks might inadvertently be written to. Shift or Ctrl could used to arm multiple tracks when this option is selected.
Just as an aside, I have overwritten tracks that weren’t in view because I had forgotten to disarm them. Generally because inspiration trumped careful methodology. Yes, a personal issue... 😉
For me, these (and similar feature/behavior requests) don't seem to be at odds with each other; they are not strictly default or set-once-and-work-for-all-projects preferences. It seems to me preferential choices are ideal to be included in lens management. Right now, some preferences in some functional categories are optionally either (a) saved with a personal customized lens or (b) not saved with a personal customized lens.
So, if the preferences for which people are asking for choices
