>>muchte+(OP)
looking at the submission history for their domain... well, not that consistent and one of their accounts seems to be automatically killed by the spam filter. :D But I guess this confirms the blogspammy feeling I got from them sometimes.
>>detaro+L1
If you read it, a big part of the secret sauce is "actually be thoughtful and informative". Like they drop everything to investigate something and surface useful information and insights as part of the process. Seems like the opposite of spam honestly.