It’s laudable when we give gifts that are truly ours to give. This should not be confused with giving away the property of others. In either case, if we want more wealth to give away, we have to produce wealth first.
Do women really pay more than men for the "same" goods and services? No. Not only are these supposedly identical goods not actually identical, but the consumers value them differently, leading to different prices.
Economists Robert Shiller and George Akerlof would have us believe that the market sells us things we don’t really want. That’s not true, but even if it were, the proposed solution — government — is even less likely to give us what we want.