I think they are targeting people who do not care for environmental issues and who still think that electric vehicles are something for beaus and weaklings. If these people can't be convinced to transition to EVs for ecological reasons, just give them another reason. It doesn't matter why they drive EVs, just that they do. (Well, and to give other car companies a kick in the butt in this market segment).
It is a design you can't ignore, it looks metal af and no matter what your pickup currently looks like, it will appear wimpy next to it.
Also observe that it no longer sports a Tesla logo. The teaser image [0] that Musk posted before still had one. There is none on the inside either, as far as I could tell, so maybe they are moving the Cybertruck away from the Tesla brand. The presentation was on SpaceX' premises as well, if I remember correctly. (Compare that to Zuckerberg who thinks that Facebook isn't credited enough for the success of its daughter platforms WhatsApp and Instagram and is moving them closer to the (imo) toxic brand of Facebook).