I would love to see a Hive where no autovoting would happen. I'm sure it won't reduce the platforms attractiveness, since no other social medium encourages autovoting. Instead, it might attract even more users, since there will be a greater diversity on the trending page.
Unfortunately, Hive just doesn't work that way. Effective manual voting requires you to be online at least once every two days, and that's stretching it. Otherwise you'll waste voting power by sitting at 100%. But the fact that curation pays money is the main contributor.
On Reddit, not voting for a week doesn't cost you anything. On Hive you'll waste a lot of potential voting power, and thus curation rewards by doing nothing. More activity equals more payout. Therefore, people will always try their hardest to automatically get the most out of it, so they can get the payout without the effort. This behavior is unavoidable and very hard, if not impossible, to prevent.
But I stand by my point. Hive would be best without autovoting.