There was a good item on RN this morning. They did a comparative analysis across politicians, and Wells is not even in the top 10 who spend big on travel/family travel and com cars. So yes, they all spend too much, but looks like Wells is being targeted.

Tim Wilson is a grotesque interloper: his behaviour and attitudes are emblematic of the LNP sense of entitlement
He believes he’s untouchable, no matter the underhanded tactics he’s employed to be elected. Covering his ineptitude by smearing & attempting to silence a constituents legitimate concerns