Metal Sonic also hates teleporting speed pads

^Yep.

I was testing some Metal Sonic replays, and well...

The speed pads in Metal City "teleport" the player to the center of the sector. Metal actually has a history with teleportation.

Could Metal Sonic seriously stop being so simple-minded to its main use...

You already reported Metal Sonic not working with teleporters. Don't make another thread. If you have something to add to the report, reply to the original report.

I too discovered the same problem with centered speed pads with Metal Sonic a few days ago.

As a workaround, I guess you could temporarily modify all speed pads in the map without the center flag while recording Metal Sonic, and put the flags back into the map afterwards. It will be slightly harder to control, but should work.