I can't find any primary sources for excessive deaths during construction. FIFA corruption is completely unrelated.
The Qatari government is only being questioned about the 34 of 37 workers dying, and there's no evidence of a coverup either.
If your general point is "I don't like the Qatari government" that's fine. If your point is hundreds of workers died at work but was covered up then a lot more solid evidence is needed to back that up.
Define primary sources, you mean the Qatari government?, the one that blocks the autopsies?.
Because news around are easily found about it: https://www.theguardian.com/world/2013/sep/25/revealed-qatar...
I know we can only talk human rights when is about China, Iran or Russia, Qatar, Emirates and Saudi Arabia are off limits because they are our economic allies.
The Qatari government is only being questioned about the 34 of 37 workers dying, and there's no evidence of a coverup either.
If your general point is "I don't like the Qatari government" that's fine. If your point is hundreds of workers died at work but was covered up then a lot more solid evidence is needed to back that up.