What do you smells from it?
I don't smell anything, almost all of the crypto, including bitcoin is still like -70%++, so that is not a bull run. If though the market will have a run up to at least $50k this year, then maybe we can call ourselves in the middle of the bull run. Or as others pointed out, the cycle has change and that the 4 year old cycle will no longer holds true as the crypto narrative has change.
So don't celebrate yet, we will have to wait will be up to us till this year. In any case, it's good to see the prices going up on some major altcoins like Ethereum. Bitcoin getting back to once it's support price at $20k.