Absolutely not, this is not remotely "clear", and it's a very strange thing to assert.

I guess it depends how you define intelligence but I guess I would say intelligence is the ability to find the best action to take to achieve a certain goal, and AI can do that reasonably well

What does "as you seem to know already" mean in this context?

It means that based on the comment I was replying to the person seems to already understand what I just said