It trivializes a pillar that is often handwaved via montage unlike social or combat encounters.
DM 1: 'Ok, after a few weeks travel through the wilderness you reach your destination...'
(Ranger player sulks in the corner)
Alternatively:
ToA DM: (eagerly lays down player map) 'Ok, this is a hexcrawl, what pace are you travelling at; note the Jungle is difficult terrain so your speed is halv...?'
Ranger: 'Nope. I and the whole party ignore difficult terrain in my favored terrain, and and move at a normal pace, stealthily.'
DM: 'Err OK, well you need to make a Survival check or you get lost and randomly enter a different hex...'
Ranger: No need, I cant get lost in my favored terrain.
DM 2: 'Well make a Survival roll to forage and find water; clean water is hard to find...'
Ranger: 'No need, I'm an outlander so I automatically get all the food and water I need for the whole party'.
DM: (throws hex map on the table angrily) 'Well after a few weeks travel through the wilderness, you reach your destination...'