I am referring to future market that have closing date, but which you can also decide to close your position at any time that you want.
Well, I think it's because perpetual futures is more popular and used by a lot of traders compare to dated futures.
Liquidity coupled with low volume could also be another problem, for an exchange to have such futures option, they must be sure to have enough buyers and sellers to avoid spreads becoming too large. I can say that perpetual features usually have the most liquidity and volume, that's why some exchange likely have the perpetual option.
The first time I hear about this dated futures or expiration of futures contract was last week when I came across a video on TikTok trying to explain how it works and how price can sometimes experience sharp validity when the contract expires. If this was really that popular, I might have known about it years back when I started trading but I guess there are also a lot of traders like me who didn't know too but only knows about perpetual futures.