You are making the job out to be more complicated then it is. As for men falling off of roofs, we already do tree work, which is just as risky. Any full service landscaping company will have the ladders and simple tools needed to clean most gutters. You must have some very advanced gutter cleaning companies, where you are. All I have ever seen them with, are ladders, buckets, hoses, and perhaps a power washer.
What I am questioning is whether or not a full service landscape business should do gutters? As I mentioned, I don't care for it. Not because it's "complicated." I just wonder how many out there do it and consider it the landscaper's job.
The 2 properties I currently clean gutters are good size accounts that would have hired another company, if I did not do gutters. But, they are fairly easy to do. Men go up on a 2 story, low pitched roof, and walk around with a blower. all debris are blown to ground, then the fall cleanup is done right after.