The reddit community will up vote them, and even down vote people who try correcting them.
Yeap… Especially with any topic where there’s a big hobbyist community.
I work in orthotics and prosthetics for a university hospital as both an educator and a healthcare provider. I can’t tell you how many times I’ve been down voted by 3d printer enthusiasts for critiquing untrained and uneducated people fitting children with medical devices that can severely injure or debilitate them.