The Physico-theological Argument

Hello, I would like to understand something about the physico-theological argument.
The argument claims that because the world is complex/ordered (whatever you call it), it must have a designer. In order to stop the regression of a designer who also requires planning, that designer must be outside the world, meaning not limited to our laws of physics and is the one who determined them, so he – does not need to be a designer. It is not clear to me why Musk is a designer if we know in the world that things can be designed without a designer, certainly not intelligence, when perhaps the most familiar example is evolution in the world of biology through natural selection and other secondary mechanisms?
In other words, just as we previously did not know how the world of biology, which appears to be designed due to the environmental adaptation of each organism, was designed, and then we discovered that there was a completely proven non-intelligent designer, so we can explain complexity in other areas of life, without any designer with intentions.