Most SLAs say "if we miss this, you get time for free" which means that these companies will hopefully get a refund ... for the time they can't use the service.
SLAs are mostly aspirational.
SLAs are mostly aspirational.
If the maintenance costs exceed the margins on the cars you lose money. Do that on too many product lines for too often and you’re looking at bankruptcy. But some makers clearly are more risk averse than others, so a 6 year warranty from maker X does not translate to a 7 year warranty from maker Y.
* - their larger customers will have negotiated SLAs.
edit: to be clear, I expect Atlassian will offer concessions beyond their SLA obligations. I'm only responding to the comparison.