What if short, intense bursts of high-quality work is just a different way to create? Like consultants, people can come in for days/weeks/months(years?), give t

What if short, intense bursts of high-quality work is just a different way to create? Like consultants, people can come in for days/weeks/months(years?), give their best, move the product further and then move on to the next thing. Is that possible?