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iRobot is likely to collapse within 12 months.
(www.theregister.com)
This is a most excellent place for technology news and articles.
Roborock, Dreame and Xiaomi are functionally almost identical. Some of them even share the same parts.
If you want to root them, get a Dreame or a Xiaomi. Most of them are rootable without disassembly, see the list linked above.