I don't think the semi, Truck or Roadster 2 will be built ... and I'll tell you why: All production will be dedicated to building out the Robotaxi platform (3,Y, X,S). If you can build a RT for 40K and it's worth 100K on the platform, you'd be crazy to build anything else. The demand for these vehicles is something like 100 million units so there is no point in wasting resources developing other products unless it's as a Plan B (in case autonomous doesn't work). Let the other companies design and build electric cars that people want to own and drive for private use.
We'll need to saturate the planet as quickly as possible with these RTs. If we have the best hardware, software and electric vehicles our business will be impenetrable if we can satisfy the demand.
100 million robotaxis earning 10K/year is $1T/year in profit. $1T/year in profit translates into a market cap of $10T. (Yes, that's trillions.)
The best possible news from Tesla would be a suspension of all activities not directly related to design and production of future RT's.