The IMF, Word bank and other wester powers have been developing systems over more than 50 years in which they manipulate the fuck out of leaders in such ways to incentivize them to act against the interest of their people and their country, and frequently it has been way easier to just go along and get along with the west and the various financial manipulation tools that they use and also the various bullying tools.. so it is not easy for any leader to NOT give into the pressures and to take the easier road to just accept the various kinds of outside money that tends to disallow them autonomy over the governance of their own country... and surely, historically and even into the present, the western powers/institutions will play hard ball including various kinds of disinformation campaigns, too with various leaders who stand up to them or try to exercise sovereignty and/or financial independence.
It seems the hope is that Bukele can hold on and/or that any successor would be strong enough and/or able enough to continue to carry on the kinds of work of self-sovereignty and financial independence and the various ways that Bukele seems to be working that angle.. and it does not seem that Bukele is going to rug pull the El Salvadorean people or to run away with the BTC.. even though there are frequently going to be concerns about these kinds of matters including how much disclosures are being made regarding El Salvador's bitcoin stash.
These lending organizations would run out of borrowers if all the nations of the world became prosperous. That is why IMF and World bank will always force these developing nations to enforce some counterproductive economic policies that will continue to impoverish the people. I am sure that the reason why some countries are not friendly with Bitcoin is because of the fear of sanctions from these lending organizations because most of these nations are either owing or intend to borrow.
It was also the same reaction that the Central African Republic got from these international banks when it adopted bitcoin as a legal tender. Even the central bank of the country which was a puppet of France tried to stop the Bitcoin policy in CAR. That is why Bukele will always be a trailblazer because of his determination and bravery.