Was I Wrong about the Drill Doctor?

Some people love it. Some people hate it. Is the Drill Doctor actually good? Vevor MR-13A (split point): https://amzn.to/3SLnMRt Vevor MR-13B (web thinning): https://amzn.to/3ypeGmL Drill Doctor DD500X: https://amzn.to/4ctKEME Drill Doctor DD750X: https://amzn.to/3AkQ2Ee