> Godol mimenu b’chochma ubaminyan is an assessment that it legitimately made.
You can’t always order T’Ch according to one criterion. We follow Rav in some issues, and Shmuel in others. So, people might have different shailos whether they live in Bnei Braq or in Five towns. And you can have different advice for different people. As with R Salanter advising Konegsberg merchants to improve shabbos observance step by step – that he only gave when there were no Litvishe Yidden around.