If you have 1 BTC and up and you're not running the cantango trade or using on-chain multi-sig lending contracts like with HODL HODL then I'm sure it's because you don't care about yield
I mean even if you just split your 1 BTC across 2 or 3 platforms it would be a smarter choice! Big BTC holders aren't looking for 4-6% they locking in 30% spreads using futures