Is it surprising that so many environments that use IEEE 754 floating point numbers obey IEEE 754 on equality? IEEE 754-2008 5.11: "Comparisons shall ignore th

Is it surprising that so many environments that use IEEE 754 floating point numbers obey IEEE 754 on equality? IEEE 754-2008 5.11: "Comparisons shall ignore the sign of zero (so +0 = −0)."