This topic is always controversial and always on various car or motorcycle forums for a freaking long time.
There are multiple schools of thought on the best ways of breaking in a new motor...hard break in vs soft break in (manufacturer suggested). Just because OEM recommends a certain break in procedure it doesn't necessary mean it's the best way to go or the most sufficient.
Unless there are key factual data points anyone can point to that suggest there are less long term engine issues with the OEM or soft break in vs hard break in approach, all opinions are just anecdotal.
There's also a dependency on how long anyone keeps their cars and if engine issues crop up before or after one gets rid of a car.