But they don't have in-house capabilities precisely because of the above-mentioned enshittification cycle: CEO-monkey does not care about long-term. CEO-monkey lowers costs today. CEO-monkey moves on to new job soon.
Electrolux has existed for almost 100 years, and on its way it acquired a lot of other companies. The chances that none of those companies ever developed any sort of in-house assistance, over that time, are close to zero.
That is precisely a path that would lead to you not having a coherent support network, though? My assertion is that they did mergers to consolidate manufacturing. Any support orgs that they acquired along the way were not the aim of the acquisition. Quite the contrary, they complicated things in ways that are not as easy to work with as getting new manufacturing expertise.