Yes. If Twitter still exists in the future he could tweet "The Model 3 is stupid and ugly and I hate it and we're not supporting it anymore" and there go all th

Yes. If Twitter still exists in the future he could tweet "The Model 3 is stupid and ugly and I hate it and we're not supporting it anymore" and there go all the replacement parts. He'd burn $44B just to try to prove a point (what point? I'm not sure) so it's very possible he'd hand Tesla owners out to dry out of spite.