Spur's residential proxy data is not intended to be used as a blacklist. We recommend using it as enrichment alongside other signals, not blocking an IP just because it was associated with proxy activity.
More on why here: https://spur.us/blog/i-dont-like-big-gateways-and-i-cannot-l...
SpamHaus is using it as a large contributor to their blocklists, at times as the sole signal, just so you know.
thanks, that was exactly my point. Residential proxy signal's value is almost 0 but this product moves in the "I solve it all for you" price range.