Google Tests Removing The Ability to Run Expanded Text Ads
https://searchengineland.comIf you are missing the “Text ad” option is not available from the Ads dropdown for Search campaigns in the Google Ads interface, you are likely in the test Google is running. IF you are in this test you will no longer get the expanded text ads (ETA) but will only see Responsive search ad (RSA) and Call ad options.
You can switch back to text ads from a link On the RSA creation screen. I would assume this is a clear sign they want people to focus more on RSA over ETA.