I think it would be very beneficial. RIght now with the only form of gametime you can buy is an unlimited time in the game for a limited time frame. This means the value people can get out of this time is dependent on how often they can play within said time frame, ergo the price is more efficient for more hardcore players than others. Granted there is this threshold of 1h per day of gametime which is the limit for F2P (also smartly spread out as 7h per week so it does not need to be used daily). I think it is still better to not neglect some players who might want to just splurge a 10h-48h session or something, where clearly a specified amount of playtime is better than a subscription. The difficulty is finding the correct balance (clearly there was some bumps with the original F2P playtime

Options are never a bad thing