So? There are limits to Roth contributions(and 401Ks) which have been abused by finding loopholes, which the proposed law closes. The fact that it's post-tax ha

So? There are limits to Roth contributions(and 401Ks) which have been abused by finding loopholes, which the proposed law closes. The fact that it's post-tax has nothing to do with it. Something being post tax doesn't magically make it an untouchable investment. For example capital gains tax is applied to post-tax investments.