> Why it needs so much resources just to send a few bytes of text?..
Waste. It doesn't cost them much[0], and they don't seem to care on an ethical level about it either, and wastefulness allows them to achieve their business goals faster. Until there's a business pressure for it, things won't improve, and I have no idea what such pressure could be.
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[0] - How many of their users are captive anyway? I didn't choose to use Slack, some non-tech folks at the company I'm working with chose it. Elsewhere, someone in the community of a technology I use also chose Slack. So now I'm forced to use them in both cases.
Waste. It doesn't cost them much[0], and they don't seem to care on an ethical level about it either, and wastefulness allows them to achieve their business goals faster. Until there's a business pressure for it, things won't improve, and I have no idea what such pressure could be.
--
[0] - How many of their users are captive anyway? I didn't choose to use Slack, some non-tech folks at the company I'm working with chose it. Elsewhere, someone in the community of a technology I use also chose Slack. So now I'm forced to use them in both cases.