As the other commenter points out, this only adds an attack vector and does not do anything to eliminate any.
The same incentives exist on all sides to find exploits regardless of an additional “legal” channel to crack the encryption. Particularly because your political enemies use the same devices and you can’t get a court order to tap their phones (usually).
[1] - https://www.google.com/amp/s/amp.theguardian.com/world/2013/...
Security researchers, strangely enough, seem to care who they sell to. If the NSA stopped buying and only the UAE was interested, I expect we’d see some firms move to other business models or targets for “research”.
There is no shortage of oppressive regimes with incredible amounts of money at their disposal. People who are in it for the money don't honestly give a shit who pays them. You cannot eliminate the market for this stuff. The only option is to create better software.
This is a strict improvement over the current situation, where the answer is “anyone who has money”.