The tech is racist. It has no grounds to exclude. That's illegal. It was prejudice to what was said. It is in no lawful position to make that judgement. Racism. Yes.

Racism is excluding somebody in prejudice. Prejudice towards race normally.

However it is nonsensical this word racism, because everybody is prejudice based on preference. It leads to discrimination here topically. Illegally. The tech is racist. It had no right.

The tech is racist. It has no grounds to exclude. That's illegal. It was prejudice to what was said. It is in no lawful position to make that judgement. Racism. Yes.