My slide awnings came from the factory on a Holiday Rambler Presidential and oscillated even when they were new. I do live and camp in west Texas where we have a little more breeze than other parts of the country. If they work for you, that's great.
Chuck, Ann & the Boys (a pair of large labradoodles)
2013 F350 Lariat KR/6.7/CC/LB/FX4
2013 Jayco Premier 321 RLTS w/Atwood Levelegs (now removed)