I don't see information on when sports was included in Cloudbet or it was available at the start of this platform. Do you have any information on it?
I think since start, This is what I found upon searching this information
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They maybe see it's enough with what they have and don't want to spend new resources (human, financial) to build up new products. Lack of intention to expand their business, if it is, can explain why they don't have good adaptation to latest changes in gambling industry. Depends on their strategy, they can feel fine with it and I don't say it's bad as it completely depends on operators.
Maybe they already got sustainable costumers count that's why maybe at some point they decide to stop their campaigns. But also I guess for deciding to stop their campaign then provably there's a lot of things has been affected and for sure with their current situation I guess they don't really have any plan for expansion. But if they could able to market their casino then I guess they could able to gain more users especially that online gambling became so popular these days.