Well, as they say: "Anything's possible!" But if all such proposals to date don't work, and we have a perfectly valid theory that does explain the observations, I'm not going to hold my breath waiting for the latest version of "tired light" which may or may not predict time dilation.

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"What do you care what other people think?" -- Richard Feynman
"For a successful technology, reality must take precedence over public relations, for nature cannot be fooled." -- Feynman, at the conclusion of his Challenger report