[tiles]

True, though the fix for Meltdown requiring a performance hit might exacerbate bad incentives (people not wanting to upgrade) or bad publicity for major corporations (server hosts whose clients now have degraded performance). Whereas Heartbleed had a security cost, this has a possible financial cost.

[AnkhMorporkian]

Also the unpatched devices. Millions of phones don't receive patches anymore, whereas most servers do get patches. They're not really comparable in scale.