And I suppose the alternative is to start your own company, take VC money, and thus become one of those shitty ad-tech, knockoff ad-tech, fintech but shitty, fintech but actually a scam, etc. companies? But at least you'll probably end up owning >1% of the company!
I guess I'd say if your idea revolves around shitty ad-tech or fin-tech, then no, that's not a good answer. But if you have a genuinely new niche ... maybe? It's a little like "burn this codebase and start all over". It's a gut reaction we all have, and 90% of the time it's a bad idea. But that 10% of the time ...