"I never said I didn't like X, I'm strongly in favor of X. But I think it's important that X not by used by Y to defeat America. Therefore, I think it's extremely important that we ban X because Z" where: X = anything Y = terrorists / criminals Z = reasons
None of the large telcos want to do copper line POTS anymore. It doesn't generate enough revenue, no one seems to actually use it, and the cost for upkeep and maintenance can be prohibitive. I doubt subsidies for maintaining the copper plant infrastructure will be around for much longer, to be honest. This is just Verizon fleeing a ship that has already sunk, and been under water for some time. The only thing that old copper plant is really good for anymore is rural telecom and rural DSL services-- which don't even qualify as "broadband" anymore according to the new FCC guidelines.
It isn't Qualcomm directly that issued the DMCA notices, but rather, an IP protection agency that operates on behalf of Qualcomm. In my work, I've often had to respond to these DMCA notifications, and these IP protection agencies are often pretty bush league. They'll see something that possibly infringes on an IP, and then they'll jump on it, thinking it'll make them look good to their client, who hired them. Honestly, I doubt this company will be doing much more work for Qualcomm once they discover what has happened.