That's the main reason mine stays on most of the time. I don't want to be mowing the woods road on the back 40 without the FEL and find a dead tree across the road. And I'm always finding rocks, logs, etc etc in many of the places I mow. And some of our fire ant hills are huge. Less stress on the mower if I knock it over with the FEL. Don't even have to slow down.
However, after a few years of mowing and clearing, the areas around my cabin are pretty much obstacle free and I don't let the grass get too deep so not much can hide there anymore. So, I've started removing the FEL for mowing there and I have to admit, it is very liberating. You can see better and turn in a smaller area. I have trees, buildings, etc in this area and the tighter turning area is nice. The front is a little more bouncy (I have no front weights) but it is a much less violent bounce than when you hit a bump with the FEL on.
For me there are three keys to removing and attaching the FEL. (Although, attaching it is always the hard part for me, removing it is easy.) 1) Memorize the procedure listed above (and printed in the FEL manual). It is not entirely intuitive, but once you do it a few times you remember the steps. And they work. 2) It has to be on dry level ground. Unfortunately I don't own any of that and so attaching is always a little bit of a hassle. When I've done it on concrete, it is super easy. 3) Sometimes the hoses don't want to go back on. This is from pressure remaining in the loader hoses. For me, this is usually due to heat (from the sun). If this happens, tap the little pin in the quick attach of the loader hose. This releases the pressure. Sometimes a brisk tap is needed. I use a ratchet extension bar. A rag can help prevent getting splattered. I re-attached mine the other day in the cool of the morning and there was no pressure build up.
If I had a concrete slab to do it on, I'd probably remove the loader more often. But still, other than mowing the 'lawn' type areas, I usually end up needing the loader for something no matter what else I am doing.