That's only good for early birds, because you end up with it being light for hours before most people are awake (during the summer). If you keep DST in place permanently, sundown happens later, and you eliminate the need for an extra hour of lighting every evening, which presumably saves electricity.
assuming you're talking about daylight, it depends on your latitude and where your longitude falls in your timezone. with the current system, I drive to work in the dark and I drive home in the dark at different times of the year. I think it's more or less even for me, but maybe there's an optimal timing that minimizes everyone's commuting in the dark time. not that I feel particularly unsafe driving in the dark anyway, I only care if the sun is at an angle where I can't block it with my visor. either way, this seems like a marginal concern.
When I used to commute semi-regularly, part of it was along a highway (to use the term generously) that I swear was laid in a way to maximize the solar glare in some locations. One of those places is where it intersects with an interstate and semi-regularly you'd see cars that had been in accidents or the remnants of same at the side of the road.
I live in a timezone that begins with hints of light appearing at worst somewhere between 4 and 5 am. A combination of location and our timezone shifted to match a neighboring country for ease of tourist made it this way.
I have lived where the sun doesn't appear early in the morning too and I greatly favor it. Living here the sun can set before 5 pm and during the longest days of the year I only see sunset at 730 pm. Yes, I can do more things after dark but I consider it so much worse since it makes me feel like the day is over so early and I only just finished work.
Then when you want to rest in the morning the heat and light creeps in 5 in the morning it also kills your energy for later in the day. So not sure if you are talking from experience living in a place like mine but I would prefer to return to longer evenings and quieter mornings.
