I am making a point that people who decry 'free speech / no censorship' have not thought it through to its logical conclusion. By telling a private entity such as twitter to 'remove all forms of censorship' then you are asking them to open the floodgates to every form of non-illegal speech. (I note illegal for obvious reasons because you have no discretion on removing illegal speech such as CSAM, you are obligated to do it).

'Remove all censorship' means not just 'free speech I want other people to have to deal with regardless of context' but also 'free speech that annoys the fuck out of me regardless of context', which very much includes spam.

By 'any conditions you place on it are arbitrary' I am referring specifically to 'if y is greater than x then spam else not spam'. That is arbitrary; you made that up. There is no 'if repeated more than once' appended to the end of "to suppress or delete as objectionable" in merriam webster under 'censor'. If you make up a rule to suite your convenience it is arbitrary.