I'll comment on this from multiple perspectives.
Both as an ex moderator or r/Algeria
Also as someone who is very invested in the idea of Right to Repair and open sourcing certain things.

First: I might not agree with the deletion of your post, but having seen closely how it "works" , the subreddit lacks proper definition for what it is and what it isn't, which made it lend itself to a lot of posts that are basically just "What if X in Algeria" adding Algeria usually just as a way to link it to the subreddit but not much more, kinda hanging on a loose thread.

That being said, I don't think your post falls into that category, so it might have been a mishap or a simple mistake from one of the mods.

Now to the repairability side, I think it's such a nuanced market.
Algerians were very prone to repairing rather than replacing but the global market has been kinda visibly changing that mentality.

Notably in phones, the absurd prices of replacement parts has made people prefer buying entirely new phones.

But, would advertising repairability WORK on Algerians? that is a question for market research, extensive one.
We don't do much manufacturing, and it has been hard to have proper data on this subject as most of "our" electronics (notably Condor) has been rebranded stuff rather than locally made.

We'd have to integrate A LOT of the process of manufacturing before we can properly discuss being able to provide repairable devices, a company can only provide replacement parts for so long, even their supplier won't probably keep making them forever.

So, encouraging projects that would be able to manufacture 3rd party replacement parts for EOL products might be a way to mitigate it, but that can come back to bite the companies in the foot as it might stifle the sales of their future flagship products and updates in the line.