The Labor policy,which affected only 5 per cent of Australians,mostly retired shareholders,was harnessed by the Coalition to gain the votes of their children and grandchildren. The policy would have stripped tax refunds from retired investors who had not paid tax.
"In the same way that kids told their parents how to vote in the marriage equality postal survey,we saw parents tell their kids about the cost of voting Labor,"Mr Wilson said.
The MP,who Liberal sources said was now in line for a ministry,harnessed a taxpayer-funded campaign to fuel resentment about the policy around the country.
Mr Wilson said the policy was a game changer because it put voters'"bank balance on the ballot".
"A lot of those seats from the Central Coast[in NSW] to the Sunshine Coast[in Queensland] it was a big factor,"he said.
Labor's failure to hold seats in Queensland and Tasmania with large retiree populations cost Bill Shorten the election on Saturday after a predicted swing against the government in Victoria and NSW failed to materialise.