I'm old enough to remember when squeegees were the "new fangled" way to clean windows.
Up to then people had only seen the "leather and scrim" method.
Sqeegees were suddenly the in thing, and everybody and his brother were using them, and most of them had NO TRAINING in how to use them. In fact, most of us had to learn by trial and error, because Scott Young couldn't get round to teaching every one of us all on his own

There was a huge amount of resistance to the change in method, and customers were complaining everywhere and demanding a return to the "proper" way to clean windows :

Then as time went on people learned how to use the new tool, the customers got used to it, and squeegees became the "right" way to clean windows. How many customers now remember the leather and scrim method, do you think?
The same will happen with WFP - resistance will diminish as more skilled operators become the norm, and people will forget that we used to run up and down ladders and wave squeegees about.
All it takes is time: the duff operators will be weeded out because they won't have any customers left, and skilled people will raise the profile of WFP to the point where no-one will want it done by the "old" method.
Have faith, and do a superb job.
In years to come you'll wonder how anyone could make a living with a squeegee
