If people want to make statements they should get money from private donors, and not take money from people just trying to make a living, that would feel sickened to know that money they worked hard for went to something they are strongly apposed to.
Government officials should try to use tax Money on only things with broad bipartisan support.
It is wrong to use government money on embryonic stem cell research. Their are plenty of private donors.
Some people would try to use this argument to further about any cause, but that doesn't mean their are not legitimate concern.