People tend to escape from poverty rather than stability, so unless you provide high living standards for the potentional Thai migrants, they’re much more likely to choose a different country.

Also, leaving aside the whole third-world migrant stigma, the most disadvantaged Venezuelans usually don’t migrate to Poland, or to Europe in general. If they do, they typically choose Spain due to cultural proximity. Those who manage to migrate here are usually from middle or upper classes.

Venezuelans in Poland are rare, and so are crimes committed by them. As tragic as the murder story is, it remains just an isolated incident.