HAPPY Veterans' Day?

On the day the nation and world honor soldiers killed in battle, how can social media site managers be so callous and/or stupid in wishing their readers have a "happy" day?
The Children's Music Network tells us Veterans' Day is for Muppets.

The Children's Music Network shared Sesame Street'svideo.

1 hr · Happy Veterans Day!
Flash Player upgrade requiredYou must download and install the latest version of the Adobe Flash Player to view this content.Get Flash Player32,796 ViewsSesame StreetHappy Veterans Day!
This one is from the National Park Service.

Longfellow House - Washington's Headquarters National Historic Siteshared a link.

7 hours agoHappy Veteran's Day! Thank you for your service from all of us here at Longfellow House-Washington's Headquarters NHS.

Veterans Enjoying America's Public LandsEvery year, our nation's public lands welcome thousands of veterans and active-duty servicemen and women who find places to recreate, recover and help restor...To put the day into historical perspective, The United States Congress officially recognized the end of World War I when it passed a concurrent resolution on June 4, 1926, with these words:Whereas the 11th of November 1918, marked the cessation of the most destructive, sanguinary, and far reaching war in human annals and the resumption by the people of the United States of peaceful relations with other nations, which we hope may never again be severed, andWhereas it is fitting that the recurring anniversary of this date should be commemorated with thanksgiving and prayer and exercises designed to perpetuate peace through good will and mutual understanding between nations; andWhereas the legislatures of twenty-seven of our States have already declared November 11 to be a legal holiday: Therefore be it Resolved by the Senate (the House of Representatives concurring), that the President of the United States is requested to issue a proclamation calling upon the officials to display the flag of the United States on all Government buildings on November 11 and inviting the people of the United States to observe the day in schools and churches, or other suitable places, with appropriate ceremonies of friendly relations with all other peoples.