capitalism isn't perfect, but far less people will starve under capitalism than marxism/socialism/communism. If you need proof I have some nice little sources.
Venezuela: https://www.forbes.com/sites/nathanielparishflannery/2018/03/22/venezuelas-economic-crisis-worsens-in-2018/#6d82683b1f17
USSR: http://www.thecommentator.com/article/4230/so_how_many_did_communism_kill