Meta also smears, as mentioned in the article. The article calls smearing "common practice". I think smearing can help reduce outages. The article mentions tha

Meta also smears, as mentioned in the article. The article calls smearing "common practice". I think smearing can help reduce outages. The article mentions that reddit and Cloudlare had outages caused by leap seconds when they weren't smearing. I think it's a tradeoff between being standard and avoiding outages. Disclosure, I work at Google.