The scroll wheel on any wheelmouse is a button and you can click it as well as spinning it.
All wheel mice are also 3-button mice.
https://github.com/artginzburg/MiddleClick-Sonoma
Works well, but I miss the physical middle button on my Thinkpads.
The chording isn't really cumbersome, just unfamiliar. You get used to it quite quickly with a few tens of minutes of practice.
The scroll wheel on any wheelmouse is a button and you can click it as well as spinning it.
All wheel mice are also 3-button mice.