Not necessarily; all hobbies simply become social. Gunpla? You go down to a anime store to do it with others. Kayaking? Storage facility the manages the kayaks and can rent personal storage. Robotics? You'd head down to the local Maker shop and rent storage/locker. It's simply becoming "social".

I'm not saying I agree or like; just that it doesn't mean giving everything up.

But.. There can be benefits to building a robot in a room where you can go on the slack channel and ask for a part... or kayak with someone new similar to going for a round of gold with a new partner.