Sure. Success in internet video media at this point is all about two things: scale, and audience. You need lots of eyeballs, advertisers need to know what kind of eyeballs they are, and ideally they are good eyeballs (US, millennials or female soccer moms, etc.) Youtube has all of these things, and even it isn't wildly profitable yet, because it also needs to deploy and maintain global caching infrastructure and that is extremely expensive, and a lot of video dollars still head to plain old linear TV because of ad agency buying patterns and industry inertia.
GPRO is a boutique video content provider and it does not have scale. It won't attract the big advertiser $$s because the audience isn't large enough to be worth the media buy. Without sustained big advertiser commitment, third party content producers will still publish their content to YT and other sites. Without exclusive content that is in-demand from hundreds of millions of people, there is not enough revenue to move the needle for GPRO.
Money requires size, size requires money. That's why GPRO won't make it, in internet media.