Renting is all about the terms and fine print.
The original PL renters deal was reasonably fair, the second one wasn't (imo) very fair.
Same with the rzr one that Sin sent by mistake

(1bn isk for a system, no sov, no real rights to that system, pay for upgrades yourself etc etc etc)
Rent needs to be "easily" payed for by passive income sources. So if Sin gets a proposal from the russkies well we should ofc think about it. But my guess is that it will be fairly similar to the rzr one.