Ha, as if anyone would try to "convince" anyone on something related to anchoring. That sounds dangerous
So I'll just say what I've done.
I've always had horizontal windlasses on previous (sail) boats. They were manual, not electric, but it made sense to me as the chain only has to go around one "wheel" and then dump straight into the locker. No changing directions multiple times.
So when I bought a windlass for my 22, I bought a horizontal one (electric, Lewmar 700 Pro). Again it makes sense to me to only have the chain make one turn.
As it turns out I haven't cruised in deep anchoring conditions yet, so I still haven't installed it, although I've made the preps for it.
I suppose the downside is that there is a big "lump" on the deck. It somewhat interferes with the fair lead to the deck cleat (I'll be adding fairlead/chocks near the gunwales to ameliorate that).
With the vertical windlass, you have only a tidy little bit of hardware on deck. And maybe it doesn't affect the fair lead to the cleat (?). On the other hand, the chain has to make a more complex turn to get into the locker, and I think the vertical windlass would reduce the fall (which is already minimal) vs. the horizontal one. At times I have heard people speak of the motors failing because water can get in them (since they are below the action), but that may have been improved by now. I have never had one so can't say for sure.
For the Lewmar horizontal there is a wireless remote. I bought that after seeing how handy it was on Hunky Dory on Lake Powell. I don't know if it also works on the vertical. Probably, but just not sure. Maybe something to check if you think it sounds nifty and want to go with a vertical windlass.