It is important to note that his policies seem to be very popular in El Salvador, and other latin american countries are thinking about emulating them. Internal security appears to be much higher now than just a few years ago.
But even if you support extremely harsh and unlawful action against cartels, I would hope that most people see the decision to "rent out" space for foreign "criminals" as a dangerous slippery slope. The government there is now planning to build a similar type of facilities for white collar criminals alleged of corruption, which is a classic in the fascist playbook of wiping out internal opposition. [2]
[0] https://www.theguardian.com/world/2021/sep/26/naybib-bukele-...
[1] https://edition.cnn.com/2025/03/17/americas/el-salvador-pris...
[2] https://en.wikipedia.org/wiki/Terrorism_Confinement_Center#I...