I know what hyper turbos are, and I've done pretty well in them. In fact I've been adding more to my routine lately.
We're getting off topic here, but I'll say if your approach to hypers is push/fold on every hand then I don't think you'll be very successful at them honestly. That strategy is a myth, based on the idea that in a regular MTT or SNG once you get to 10bbs you are largely in push/fold mode. However starting out with equal 10bb stacks puts you on equal footing with everyone, and fold
equity plays such a huge role, that you can afford to make plays. You just can't make very many and lose. This is where skill comes in.
Also, multi-tabling doesn't reduce variance, simply by virtue of playing more volume. That's another myth. Multi-tabling
compresses variance, i.e. it happens sooner, so the swings are greater in frequency, but generally not less in magnitude. The only way MT'ing might have a noticeable reduction in variance would be if you drastically (and I mean drastically more than normal) narrowed your range compared to when you play a single table, and kept it there over a long period. If you play a hugely LAG style at one table, but tighten up all the way to an uber-nit when you add tables, then yeah your variance is probably reduced, for awhile. Even then I'm not entirely sure, but it would seem theoretically possible. However it wouldn't apply to most people, at least not for long. You might start out really tight as you first learn to add tables, but pretty quickly as you gain experience in multi-tabling, you naturally loosen up your game and play closer to your normal style, whatever that may be.