150k$ price for bitcoin is possible but we cannot point a direct date on when it happen and OP knows about it, that is why he didn't mention an exact date he only mention year which is 2022, Because no one can predict it and the price always depend on the present situation or market movement.
Initially most people predicted the bitcoin price to reach $100k before the end of 2021, now most people (including the OP) predict that in 2022 the bitcoin price will reach $100k and even pass it. no one knows whether the prediction will come true or will only be a hope because market conditions cannot be predicted. I personally still strongly believe that in 2022 the bitcoin price will be able to reach a higher ATH than 2021, but to reach $150k seems very difficult.
As you said that people predict and it is just speculation and nobody knows exactly when it is going to happen, so I think you cannot predict that it will be difficult to reach $150k, which is just a speculative prediction. As we have seen to date, it is difficult to predict whether it will fall or rise in the future and to what extent. Anything can happen in the future depending on all of us especially the whales.