Yeah, invasions are out of fashion. All the West does is make a country's development contingent on their willingness to let the West exploit their natural resources and labor and then cut said development if they fund a social program or coup them if the "locals" are uncooperative. All after gutting these countries for hundreds of years via colonialism. You don't need to do an invasion when you can just put a noose around the neck of a country.

Oh and the West still does invasions look at Libya, Iraq, Afghanistan, and Syria. And UK special forces have been in Syria, the Sudan, Nigeria, and others as recently as last year.

https://www.theguardian.com/uk-news/2023/may/23/uk-special-forces-have-operated-secretly-in-19-countries-since-2011