This account is quite forthcoming about it's intent:
However, there is no visible solicitation activity besides the account name and description. Questions appear to be clear and on-topic, and they enjoy neutral to positive reception (that I can see; I am not 10k).
This is an established account (+1k rep) on four Stack Exchange sites, with +6k rep on Math.SE. As such, I am inclined to let it go where I would have otherwise flagged it.
Should this type of "passive" spam be given leeway, considering it promotes an in-network community resource in a non-disruptive manner, or is spam spam and should be treated as such?
I understand that 100% is easier than 98%, but I would like to know the community's position on this.