There are other factors that need to be considered: * The cost to taxpayers to trap and kill ferals is generally three times more per cat than the cost for volunteers to trap, neuter, vaccinate and release (TNR) a cat.
On the other hand, younger and (generally) poorer taxpayers gain the benefit of the increased standard deduction, and they may reap some additional advantage in purchasing their first homes as home values decrease to the detriment of the middle class homeowners.