It’s up to you.
It pretty much boils down to what you find to be an ethical approach on the matter since there is no closed season on many waters. I personally think there should be a closed season but only on our most fertile wild trout streams in the known spawning areas, not the entire stream. The Ditch At Big Spring would be a good example.
I personally try to limit myself to certain areas during the fall and winter where wading can be minimal. Even after the spawn is over, I still use caution when wading as to not and try to stir up any silt above a riffle. Deeper pools, and slower water is normally ideal. During one of the warmer days we had the other week, I fished a small bow/ stream and arrived to a fantastic midge hatch and enjoyed a good match-the-hatch day fishing dries and small nymphs, all from the bank.
As for targeting those 20+” wild trout off redds during the spawn, I believe, is a mistake, and counterproductive for a fishery for the simple reason that those larger fish hold many more eggs (thousands) and are the key players in sustaining that fishery.