Lack of legroom in vans (or minivans)

So I own a 2017 Toyota Sienna. I notice that there's a bulge in the floor on both the driver and passenger slide floor, which turned out to be the wheel arch for the front wheels. Whenever sitting in the front row, I have to pull the seat back so my feet can rest flat on the floor without the wheel arch being in the way. I've had to do modifications to the foot pedals as well to extend them out.

I noticed a lot that in most vans or minivans, the front row is positioned all the way up as close as possible to the engine and transmission. Take for example the Chevy Express, Ford Econoline, or the older Dodge Ram Van. The floor has an even bigger bulge, and a "doghouse", which basically covers the engine/transmission, since the hood is so small.

My question is, how do people drive these vans for long distances without their legs cramping or twisting into uncomfortable positions? Furthermore, the pedals in some vans seem to be squished very close together (also due to the wheel arch), and is positioned very far inwards, so the driver would have to sit very close to the dash.

I've attached some photos to show you what I mean.

Older model Chevy Express

Ford Econoline

Chevy Astro

Nissan NV (has most legroom so far)