I guess it is important for the project to support by other popular companies since they need as of now the help of it. The promotions boost the popularity of the project and it is can be more successful in a lot of people are spreading the word of STeX. Since STeX has potential to become successful, I think it is much better of this has partnership.
"70% of basic A2A distribution is done so far". (Source Qi in the STeX Telegram group)So we can hope that the ETH network gets better and the rest will be done. Those delays are just annoying but it's not the fault of STeX that the ETH network has issues.