“Max effort daily driver” 318 build vs “Budget” 400 swap

Why isn't a big block good daily driver?
Whatever power level eg.. 300 350 400 hp etc.. 400 will be the mildest version needing less gear stall, it will make the most power idle-4500 rpm where 99% of street driving is. The only so called drawback is size and weight which are minor compared to the benefits. A mild 400 would be an awesome daily driver, only thing better 500 plus.
It is, but he already has intake manifolds and headers and other parts for a sb. $1000 TTi headers on a daily? Not me. Now if it's a weekend warrior BB all the way. Find an 8 3/4 or you're wasting your money.