> So this is the same Slack that wrote a love letter [0] to Microsoft about competing with them and now they are crying to the EU to investigate them over Teams because they failed.

Slack filed a complaint with EU antitrust regulators regarding Microsoft's anti-competitive practices of integrating Teams with Office.

This is a repeat of Microsoft force-feeding everyone IE, a case where Microsoft was already found guilty of abusing it's monopoly.

https://en.wikipedia.org/wiki/United_States_v._Microsoft_Cor....