Cukeman, your argument is mostly shattered by the fact that speciation has been observed in many instances.
Here is one list
Here is another,
and
here is one more.
Of course, you could move the goalposts and argue against common descent. But then how would you explain the stunning convergence of the fossil record, DNA evidence, biochemical evidence, biogeographical evidence, and geological evidence all pointing to the same line of descent?
And also, what, specifically, is it about evolution that would make it impossible for macroevolution to occur?
Lastly, keep in mind that while there were fraud scientists in the 1800's, there were some very good scientists too. Today there are probably more frauds then in the 1800's, but it's marketed as "alternative medicine". It is no different from the snake oil-peddling charlatans you talk about.