There will always be small sites where developers are lazy to optimize it for all browsers, but the fact that google did this in one of their core products shows their mentality.
I don't like the word "optimize" here. Making a site work cross-browser isn't optimizing, it's just basic testing. It's really not that hard to accomplish unless you actively get tied in to the new <1% features one browser offers.
There will always be small sites where developers are lazy to optimize it for all browsers, but the fact that google did this in one of their core products shows their mentality.
I don't like the word "optimize" here. Making a site work cross-browser isn't optimizing, it's just basic testing. It's really not that hard to accomplish unless you actively get tied in to the new <1% features one browser offers.
In the end it falls on us, as developers and users to keep the web open.