It very much did once the Republicans recovered from the debacle of 1964 in the 1966 off-year, defeating all the Democrats in the House who had won Republican districts (they were the progressives who voted for the War on Poverty)and cutting down the Democratic House vote - when there were still "Southern Democrats" to vote against the War on Poverty to make a majority against.
My understanding is that the Vietnam debacle kinda pulled the rug from under LBJ's anti-poverty initiative.
It very much did once the Republicans recovered from the debacle of 1964 in the 1966 off-year, defeating all the Democrats in the House who had won Republican districts (they were the progressives who voted for the War on Poverty)and cutting down the Democratic House vote - when there were still "Southern Democrats" to vote against the War on Poverty to make a majority against.