I don't think it's good to have such wealth inequality, but I do this general investment into the stock market should be encouraged.
401ks are so much better than pensions as a retirement vehicle. Better return on investment and more financial separation from the company I work for. I never worry about someone raiding the pension fund or a company going bankrupt, and I've received much better return on investments than the numbers you hear from pension funds! That's not even considering 401k matching......