Yes there quite possibly is a “troublesome type” who already know better because they used to run BHP or similar.
However many downsizing boomers are buying expensive apartments which sometimes cost $multi million. When someone has a large amount of capital tied up in asset they are motivated to become involved in its management. With more money at stake the issues become amplified.
These “badly behaving boomers” may become the generation of strata owners and residents that forces changes such as the introduction of a Strata Commissioner?