The SSBA (Small Software Business Alliance) was set up by Michele Hansen -- co-founder of Geocodio, http://geocod.io (and the SSBA is now run by another person) for this reason -- to raise awareness in Washington DC of the issue with the Section 174 Capitalization changes and the efforts to repeal it.
She has also spoken about it on podcasts: https://www.youtube.com/watch?app=desktop&v=oF-xsDd1A4o