No, its not necessary that TT made it so that it would be beatable.
Example: Libra. TT virtually admitted that releasing Libra was a mistake by putting a weight limit of 47g meaning that Libra can only be used with 2g tracks (that too without a metal face), in some tourneys they banned Metal Face + Libra and in some cases they banned the Libra wheel directly.
Example: Libra. TT virtually admitted that releasing Libra was a mistake by putting a weight limit of 47g meaning that Libra can only be used with 2g tracks (that too without a metal face), in some tourneys they banned Metal Face + Libra and in some cases they banned the Libra wheel directly.