Wikipedia:There is an opinion

"There is an opinion" - an expression, an illusion of Reliable Sources - that is relatively common in the main space of Wikipedia, although it shouldn't be. If it is not supported by reliable sources, the expression gives the false impression that the statement it accompanies is supported by sources. If it is confirmed by sources where this opinion is mentioned, then it is quite acceptable. The same is true for the expression: "many believe".

As of May 2024, 72 articles in the main space of Enwiki use the expression "there is an opinion"[1], and 68 articles which are using the expression "there is a perception"[2] As of May 2024, 72 articles in the main space of Enwiki are using the expression "there is an opinion" and 68 articles which are using the expression "there is a perception"

Also 1510 articles are using the expression "many believe", 1165 articles are using the expression "many consider" , 339 articles are using the expression "many people believe" and 162 articles are using the expression "many people consider"