Low beams give you around 200 feet. Which is within the stopping distance of 50mph. If you are in a situation where you are concerned about fallen trees, why are you driving faster?
To also be clear, way more people are driving with high beams or insane lumens just everywhere. My mirrors are practically useless at night because there's always some idiot with their highs on shining right in them.
The benefits of the few cases where you could use high beams are outweighed by all the times they are used inappropriately and cause way more issues.
The serious problem are the drivers who can't fathom not having ultra-high lumen LED headlights switched to high at all times. This is not a subjective thing. It only takes one jackass, so it's easy to see the difference between them and other vehicles.
And it's not like I'm the only one who has noticed this problem:
To also be clear, way more people are driving with high beams or insane lumens just everywhere. My mirrors are practically useless at night because there's always some idiot with their highs on shining right in them.
The benefits of the few cases where you could use high beams are outweighed by all the times they are used inappropriately and cause way more issues.