Did The Flash Just Destroy Christopher Reeve's Superman Universe?

The Flash might have destroyed Christopher Reeve's classic Superman movie universe.

Review: Superman '78 #6 (Final Issue) - DC Comics News

The Flash Just Isn't a Good Endpoint for the DCEU

Everything The Flash Changes About The DC Universe

Did The Flash Just Destroy Christopher Reeve's Superman Universe?

Flash Cameos, Ending, Post-Credits Explained: George Clooney and More

The Flash (film) - Wikipedia

Christopher Reeve 'The Flash' Cameo, Explained

Has The Flash just overturned Christopher Reeve's iconic Superman universe?

The Flash: Nicolas Cage comments on his Superman cameo

The Flash: How Does Time Travel Work In the DC Movie? - IGN

Every Superman Actor In The Flash Movie (Full List)

The Flash's ending, explained

Why is the Flash considered to be weaker than Superman? - Quora

Would it be cool if The flash movie brought back Christopher Reeve Superman through motion capture and CGI like they did with Grand Moff Tarkin in Rouge One? : r/superman