[jasfi]

He's likely speaking of unskilled immigrants that get into a country illegally. This type, in large enough quantities, could destabilize a country. How could they not?

The question is, is this happening in quantities that large.

If any quantity of illegal immigration is OK with you, then why have borders at all?

[licebmi__at__]

Elon by himself is leveraging his fortune to try to influence politics as much. This can also destabilize a country.

[jasfi]

He does seem to be very political.