The niche box is it real?

Guys suppose if I am in a travel niche and acc to niche box I should only engage and follow my niche related content and pages( for this one its travel niche ) to attract my relevant followers. So, from this won’t it have any effect if I do follow/unfollow normal people or is it completely normal to follow Normal people will it have effect on attracting my relevant followers and showing my content to relevant followers or either let’s say for going viral or ranking in explore page in my own specific niche?
Advice needed this maybe a stupid one but I am so confused lol haha

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