Easiest and fastest solution: Pater Noster lift.
Was popular in the UK university system: there were paternosters in Leeds uni and in Napier College Edinburgh in the 70s and 80s.
It will come back with a vengeance: https://elevatorworld.com/article/a-paternoster-for-the-futu...
Lots of things from chain saws to hover mowers, or cars for that matter, are unsafe if not used with due regard for safety.
The one I was referring to was at Durham university, but it's not showing up via Google, so I guess it's no longer there.