Perplexity's value proposition appears to be "we're going to take the stuff off your website, and present it to our users. We're not going to show them your ads, we're not going to offer them your premium services or referrals to other products, we're going to strip out the value from your content and take it for our users".
You can argue all you want about whether that's 5k impressions a day or 1m impressions a day. It should be 0 impressions a day. It is literally just free-riding.
Also, they're meant to be a professional company taking VC money to build a business, why are writing whiny posts like a teenager? The impression I get with a lot of these companies is that their business is losing money hand over fist, they have no idea how they're going to make it work and they look absolutely panicked as a result. They come across like a company I would want to be nowhere near.