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Are you saying that Beryl's defaults are not appropriate?
That would be pure blasphemy of the highest order. Nobody questions the appropriateness of Beryl's defaults! The defaults are fine, it's the user that has inappropriate expectations.
On a more serious note, the GP is totally correct. Once Compiz fixes the right way what Beryl papers over with temporary hacks, some usability research must be done before any serious commercial distributor can ship a release with desktop effects enabled by default.