It's not that people hate lifestyle businesses, it's that a lot of people inappropriately label their lifestyle businesses as "startups". For the people that have worked 70+ hours a week, took no salary, and have lived through the pain, blood, tears, sweat in an attempt to build a sustainable business -- it's kind of a slap in the face. I used to run a lifestyle business (ad agency), worked 40 hours a month and nette…
In a service based business like ad agencies, web design agencies, you don't get paid unless you're continuing to do the work. I wouldn't really consider them lifestyle businesses either.
But if you're selling a product or software-as-a-service that can scale beyond how much time you are putting into it (e.g. a traditional startup), then you could certainly build that into a lifestyle business by avoiding taking external funding and growing it to profitability.