But many peoplekeephave an opinion that in some nations individuals without sheerstrong ability tend to become popular than those with authentic talent.
... this sentence is confusing. Does not flow well :( Also, you should be careful with synonyms. They may give very different impressions if used inappropriately. Do not try them if you are not very sure. Construct simple and clear sentences. Clarity and flow take presidence over everything else in writing.
I do not agree with this outlookidea .
To begin with, no matter how much hard anyone tries if there is no talent then one cannot achieve success
.... Take the rest to another new sentence.