Only Tesla thinks of this as a regular consumer product with a "launch".
In reality, the competition is already offering electric trucks of various sizes, today, not in beta, not pre-production, but actual products you can buy. And since their competition understands the trucking business, they already know exactly how to slot EV trucks into existing fleets, complete with logistics systems and maintenance contracts and a billion other things that Tesla has zero clue about. They're doing the usual Silicon Valley "winging it", thinking it'll work in this market as well.
Pepsi accepted the pilot program because of
1) Free publicity, although with Elon's recent public political statements, the value of that is quickly turning negative, and
2) Free trucks they're not paying for, California taxpayers are.
And yet a lot of people still believe Tesla is the market leader and that everyone is just waiting for Tesla to come and disrupt the trucking business.
https://www.freightliner.com/trucks/ecascadia/
https://www.mercedes-benz-trucks.com/en_GB/emobility/world/o...