The excerpted wiki page has since been edited. The following answer is unsubstantiated according to this edit. The edit says the author may have remarked upon it, but I have not been able to confirm.
In the new canon, Palpatine used the fact that the Jedi Temple on Coruscant was built over a Sith shrine to hide his identity. This is detailed in Tarkin. Excerpt from Wookieepedia:
During their brief galactic domination, roughly six-thousand years before the outbreak of the Clone Wars, the Sith constructed a shrine on the planet Coruscant. Following the Sith Order's defeat at the hands of their sworn enemies, the Jedi Order, the Jedi Temple was raised over the shrine's foundations in a symbolic attempt to bury the legacy that the Sith had left behind on the galactic capital. Millennia later, this decision would prove disastrous for the Jedi Order, as Darth Sidious, the reigning Dark Lord of the Sith, was able to make ample use of the wellspring of dark side energy that lay at the shrine's heart; clouding the vision of the Jedi Council, and masking his true motives and identity until it was too late.