

You got some great advice already, I just wanted to add that it’s certainly possible you’re reading way too much into this and are anxious about something that amounts to nothing. I agree speaking openly with your supervisor about it is your best route.
According to their “About Us” page, they were a small business that is now financed by Post Road Group and Bain Capital. Creating competition for Comcast is a great thing, but I’d bet over the years those capital partners are going to demand enshittification for profit. I’d still drop Comcast like a rock though.
The excavation in the street sounds like the same thing Google Fiber did in my neighborhood, microtrenching fiber in the street along the curb. Has worked great for me for almost 10 years now