Discover that English is easy to learn
In many cases, it is easier for certain people to learn English because English is related to their native language. For example, for people from Europe who are learning English, they find that English is closely related to their languages. German is very close to English. French has influenced English a lot. Plus, English speakers can be found nearby in Great Britain! They can easily travel to practice, and it is very likely that they will meet English speakers in their home countries.
For people who live in different parts of the world and speak languages that are not related to English, English can sound very foreign, confusing and frustrating.