How would you deal with information simulation nuisance?

Find a reputable brand and good

A reputed brand which serve your purpose and within your budget.
For cosmatich items the brand is most important and then the budget.
For electronic items the brand is important and at the same time feature you require are also equally important.
Then it comes to budget.

Multiple answers are due to many reasons.
The most basic differentiating factor lies with the understanding of the question.
Thereafter, answers will vary from person to person depending upon their level of knowledge or past experiences of varying situations.
Advertisements are based on an ideal realistic situation creating the various needs.
Most of the ads for similar products look alike but there will be differentiating factor.
Such as a shampoo for dry hair or oily hair or shampoo with anti dandruff benefit, etc.
These different situations being created will lead to firming up the the need / desire / want for a unique differentiating factor.
The same would imply for almost similar answers to a given question to meet the needs of varying situations arising and varying situations experienced individually.