I have owned maybe 10 different Marlin lever rifles over tha last 35 years, only had one bad one, the 39A .22lr caliber, the supposed "Cadillac" of 22's.
It jammed repeatedly, shot way off target. could not be relied on at all. It is the only Marlin lever action I have ever had trouble with. I never heard of "the Marlin jam" till I read about it online a few years ago, and i think it exists mainly in the minds of gun writers.
I read the article in the link and noted the terrible problem sometimes begins "after many thousands of cycles". In normal use, therfore, you would never see it.