For me, the hands down argument against TVOS is having to use arc or e-arc for external audio, thus forcing CEC into the mix. That Is something I always steer clear of.
Agreed, everything goes into my processor, out to the TV, no eArc, no CEC.
When I was using eArc, while I was deciding what processor to purchase, nothing but drop outs and everything I would turn my PS5 off, major pops in the speakers.
Now doing it direct, never a issue, also when using Google TV on the Sony, certain apps would not work at times, Paramount+ was the worse.