Its just a matter of time before certain discoveries are made and brought to light.
Just a matter of time as well before any change that OP perceives that the vaccines, inorganic fertilizers used for food and other factors that which he says are causing change will be seen/evident. Although i do not completely agree with OP on the inorganic propagation of this supposed change alone, just as
scientist say the giraffe grew longer necks frim stretching to eat fruits from trees, i'd say some other physical and environmental factors that we need to adapt to will drive or is driving this change naturally as well.
Man-o-man is the education system lame these days! The last scientist who said that was
Lamarck who died in the early 1800's. Darwin's theory pretty well put an end to this theory.
While acceleration of evolution via selective breeding is nothing new, 'science' is opened back up again much more recently where people can indeed design genetic mutations rather than waiting for them to come along by chance. That's how such things as SARS-cov-2 come about. Unfortunately it gives the more creepy weirdo scientists something of a God complex and the feeling that they have a right (and sometimes a duty) to shape reality using what are actually fairly primitive understandings of things.