Ive been in this business a long time and that's one thing that has never changed, people LOVE seeing water bead up on their own car and LOVE seeing pictures of water beading up on other people's cars.
Water beading is an indication of high surface tension. The higher the surface tension the smaller, taller and tighter the formation of water beads on the surface.
As the surface tension lessens, instead of water piling up on top of itself in and effort to get away from the surface it will overcome the tension and spread out.
Water beading is actually a bad thing because if there's anything corrosive in the water as it evaporates off the mixture of water and corrosive elements becomes more concentrated and the result is the paint gets water spots, usually some type of imprint ring or in worse case examples, Type II Water Spots which are actually crater etchings in the paint.
The only way to remove these types of defects is to compound or polish the paint and remove the good paint surrounding the imprint rings or crater etchings and thus level the surface till it's flat again.
And of course, the problem with this is paint is normally thin and all the UV protection is in the clear layer of paint, so the more clear paint you remove the less UV protection you have to last the paint over the service life of the car.