It's not dramatic, it's just something you personally haven't noticed. A quick search regarding Gemini weather hallucination shows it's both widespread and something not mitigated by recent model releases. It makes up other basic information or can't perform tasks that a simple assistant can do properly (e.g. mixing up calendar events, emails, can't navigate etc). Why defend what is clearly a move to increase a department's KPIs when you as a consumer receive less in return?