Is section 133 Criminal Justice Act 2003 flawed?

Is section 133 Criminal Justice Act 2003 flawed?.The great cases of the 60s, 70s , 80s and 90s saw in the introduction of good quality case law involving audio, computers and mobile telephone evidence. Cases such as R .v. Maqsud Ali (nothing lost in translation), R .v. Mahon (handling evidence), R .v. Robson (genuineness and orginality) etc, many cases included evidence that required