I'll have to agree and now that we have ads showing up on the forum page, maybe WGT will adjust this for us to be more fair!
This has been brought up before that having a ball go automatically lost in weeds or rough or worse a sprinkler is not fair nor realistic with paid for balls.
I also agree the duration could be adjusted to have them last a little longer too again for reasons stated above.
My recommendations:
Ball goes into weeds, rough etc, the ball loses 25 - 33% of its durability, if that depletes it then its gone.
Ball goes into the water its gone, durability not an issue.
2 durability ball = 5 rounds. 3 = 7 and 4 = 9. (also, 5,6,7 rounds would be fine too for 2,3,4 durability respectively)
This is still going to be a steady stream of income, especially as the site grows. People will always need and lose balls as they keep playing.