Timing is just a coincidence. They have already been granted several patents before and waiting for another one makes no sense, not to mention the original application for the latest patent grant was filed in 2008.
From the description:
"This is a continuation application of U.S. application Ser. No. 16/400,132, filed May 1, 2019, which is a continuation application of U.S. application Ser. No. 14/803,762, filed Jul. 20, 2015, now U.S. Pat. No. 10,323,011, which is a divisional application of U.S. application Ser. No. 13/401,459, filed Feb. 21, 2012, now U.S. Pat. No. 9,119,825, which is a continuation application of U.S. application Ser. No. 12/510,681, filed Jul. 28, 2009, now U.S. Pat. No. 8,163,800, which claims the benefit of U.S. Provisional Application No. 61/084,172, filed Jul. 28, 2008, all of which are incorporated herein by reference."