No future employer is actually going to credit you with any additional years of experience, it'll just be "oh, they did a year at a failed startup". And if you

No future employer is actually going to credit you with any additional years of experience, it'll just be "oh, they did a year at a failed startup". And if you claim to have done 10 projects in your first year of paid employment, people will just assume that they were all very shallow or that you only had minor involvement. Pretty much any other job would be better.