pittss1c wrote:
The other relevant arguement is that we are "wearing them out taking
them apart every year"
There are only so many times you can remove and replace screws into wood
and thin metal before some strip.

I have an answer for that, after doing my owner assisted annual for 7+
years now. As an engineer, and as someone who formerly worked on cars,
I really appreciate the way my airplane is put together. Virtually every
screw that has any important function has a replaceable insert it screws
into. After performing a few annuals, I started to get the bad ones
replaced. It became clear that it was me who was going to deal with
these stripped and broken fasteners year after year. I also started to
replace the odd assortment of screws various mechanics had put in over
the years with the original screws. In one case, the back seat nut plate
had been stripped and pushed aside, then replaced with a bolt. This
meant putting it together required pulling several floor inspection
plates and contorting my arm to hold the bolt underneath. Thats fixed
now, and it saves time and swearing.

All and all, my airplane is in far better shape than it ever was, and
getting better year by year.