Then Country Y invests in new technology and starts building their new ship in, say, 100 years.
It's possible and likely that Country Y's starship is more capable and faster than Country X's ship as they would have waited for and capitalized on scientific breakthroughs that make interstellar travel better.
https://en.wikipedia.org/wiki/Interstellar_travel#Wait_calcu...
(Pause)
“Oh shit, I forgot.”
If you had $1B for carbon negative tech, where would you invest it?
If there was a big user community that wanted different things, fork and have a seperate maintainer structure. Why drama?
They have also arrested the person who filmed this video [2]. Whilst we might celebrate this investigative journalism, this video changed the course of the narrative and forced Iran to come clean, we should also be aware of the consequences of it.
I have a few from EdX, something from W3Schools, and something from RedHat that I still put on my resume for some indiscernible reason, but having asked interviewers about it after being hired, they don't appear to have been of any direct practical use.
I'm not saying you shouldn't learn all the stuff required for the certificate, but at the same time, I think it's naive to think that putting it on a resume is going to be much direct help.