no growth because they don't actually have anything to grow/develop
most ICOs are just like a hyip scheme collecting money without actual working projects
most investors are in it for quick profit when they sell it as soon as the coin/token gets into an exchange

otoh, an ICO for a well established business will likely to earn success and stay for a long time
a real business and a real use of its coin/token is what makes that coin/token to have real value