i have many clients with good result and here after more that 6 month still working fine:
Now the client that talk about the drop of backlinks he do because he guide by that say semrush but here in google wen dont see any problem:
The client just get in panic for the say semrush and dont guide about google. we see a litle down in the last week but too wee see the entry process that the site have the best rise throughout the history of its creation.
We have many deal with alot of people here and now of repuation.