Sabine Hossenfelder runs a popular science youtube channel. While Hossenfelder is a qualified theoretical physicist and generates well sourced videos, the need to present information in a snappy and entertaining way at times leads to contrarian responses, for example in her video Hydrogen won't save us which does not take on board relevant technical innovations for generating hydrogen from sea water which were available at the time of publication of the video. I would therefore rank her 2,5 on the proposed scale.
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