I don't know the answer to your question but is there any point in renting it even if there weren't any limits on how long you could play it for? I mean it's pretty much the same as just downloading a pirate copy.
Having a copy always available online is different imo and maybe worth it.
Ryzen 5 5600, ASUS ROG STRIX B550-F GAMING WIFI II, Corsair Vengeance RGB RT 32GB 3600MHz C16, MSI RTX 5070 Ti Ventus 3X OC , Corsair RMx Series RM750x. AOC AGON AG324UX - 4K 144Hz 1ms