I don’t have a gym membership.
I am quite happy to go for a walk or “work out” at my treadmill desk.
“I’d never use a gym and so I don’t see the point of a gym” is an opinion. “
“I’d never use a gym, but I can see how it would appeal to others” is not an opinion.
The first engenders a viewpoint that assumes because “I don’t like it” then nobody will like it, and therefore whatever the product or service is, will ultimately fail.
The second is an entirely different viewpoint.
One where you can listen to the feedback.
Good investors will have the ability to see the potential for success, even though the product or service doesn’t interest them.