There is fixed, limited block space and variable demand for that block space. You may not like how that block space is being used but if transactions are consensus compatible and paying fees at the market rate the system is working how it should.
linkThis is a dumb argument made by people who either have never looked at bitcoin source code or are intentionally ignoring it. Under the hood, in the consensus rules, spam attacks like this have always been possible but we have been preventing them using the standard rules.
This is also not demand for more block space, this is a spam attack. Period.
Please lower your level of aggressiveness in your rhetoric, because I may qualify this as a verbal attack on the self-identity of bitcoin. Like any human creation, bitcoin was not perfect at the time of its creation and remains imperfect now. This leaves room for the development of bitcoin itself and also gives room in the sun for a thousand altcoins that may be faster than bitcoin, more private than bitcoin, but they are not bitcoin.
From a certain point of view, the mixed transactions from the mixer you advertise here are also spam on the open Bitcoin blockchain. Think about it at your leisure.