I"m having the same problem, it's ridiculous. And it's not just dogs, some cats that turn up at my clinic are dirty too.
It's just sad. I really hope they tone this down, at least for owned pets.
At the clinic:
https://78.media.tumblr.com/f2ae5e5646c02c6c1044c3accf4dc1d0/tumblr_ozo8k7FCLJ1v8k7elo3_1280.jpg
https://78.media.tumblr.com/a6c11bc6d5efd737a1889d321154f9a7/tumblr_ozona66Vt11v8k7elo4_1280.jpg
https://78.media.tumblr.com/9daec7df20b46fe3b292e10353f894da/tumblr_ozonwr9tWJ1v8k7elo3_1280.jpg
https://78.media.tumblr.com/7436d99dadbc92e337540a3496e5030b/tumblr_ozqehju5eL1v8k7elo4_1280.jpg
https://78.media.tumblr.com/ac01aa8dffebd9cd7d2fe1d503425765/tumblr_ozqf2d1Vqh1v8k7elo3_1280.jpg
https://78.media.tumblr.com/d72b3b6816f0c8f25973e291c7abf521/tumblr_ozmqh94nXQ1v8k7elo2_1280.jpg
https://78.media.tumblr.com/b9361f94fc640034cdbe6212b4146c43/tumblr_ozmqh94nXQ1v8k7elo1_1280.jpg
Even my neighbour's pupper is dirty:
https://78.media.tumblr.com/d6c68b9f3c8dee63381a1804b4caac2d/tumblr_ozoa0sPSdo1v8k7elo3_1280.jpg