Nope. Streaming is all about the cpu. Netflix needs just 512Mb, and Adobe recommends 1Gb for 720p and 2Gb for 1080p.
Gaming can use maybe at best 12-13Gb for 4k,1080ti sli, 7700k systems, so more than 8Gb possibly but less than 16Gb.
More than 16Gb usually only helps in rendering and a few other production apps, some of which do better with high speed ram like Autocad.