> Originally enacted in 1954, Sec. 174 has historically allowed taxpayers to deduct SRE expenditures in the year incurred. Its original aim was to level the playing field for small businesses, those without dedicated research teams, that may be unable to deduct product development expenses under Sec. 162 because the costs were not ordinary and necessary expenses paid or incurred in carrying on a trade or business
Straight-up, any deviation in the tax code for a special group is always a subsidy.