The Wellfleet stylus will be a step up, just not as big as a more advanced stylus.
But, if you were to do the removable stylus upgrade, the phono upgrade could be more meaningful since the benefit will be split more evenly between the stylus and the phono.
I understand that not everybody wants to do cartridge alignment. Many old hands will say that you should not trust an “as delivered” alignment and should always check it yourself. Alignment is a critical issue since no cartridge will sound its best without a proper alignment. Just food for thought.