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If you remember about the last bullrun that ever happened to Bitcoin, of course speculation for a price of $100K is not excessive for Bitcoin. But when it is said for next year, I think Bitcoin still needs some significant improvement in this year so that next year Bitcoin will be at a much bigger price than now. Because if it's still in the $30K area, of course it will be very difficult for Bitcoin to reach $70K again when it enters the bullrun period next year, although it is still very possible for Bitcoin to happen.
What significant improvement are you talking about? People during the last bullrun didn't expect bitcoin to go much higher than 30k iirc, they were expecting it to go there or go a bit higher then plateau for a long time there but then they were surprised when it got to that price so you doubting the possibility that bitcoin will go higher than it's peak and that it has to do some big adjustment to break out of the 30k price range isn't the best mindset right now. I assure you that when that bullrun happens, I assure you that 70k will be an easy to break price ceiling for bitcoin.
Take my word with a grain of salt though, bitcoin can still surprise people by being stagnant when a lot is expecting it to pump so high. Maybe we will witness something new in this next halving, and that it's not going to be the same halving as the previous ones.