Adding a tri bike as an n+1

I've been exploring adding a tri bike to my stable. I already have a CAAD 12 and a Touring bike (which doubles as a gravel bike).

By tri bike I mean something like this:

https://archive.kestrelbicycles.com/2017/Kestrel/talon-tri-shimano-1055

Any suggestions on:

a) Benefits/problems over...