So now they think Animal life evolved 80 million years earlier than we had calculated.
clearly 'Scientific' discoveries are too often base with too little evidence. one of the Basic Principles of "science' is the development of a method and a control where a method can be repeated in an attempt to get similar or 'Identical'- through the imposition of specific qualifications. this can be difficult when most natural situations are unique, or 'one offs'
There's generally no harm in 'looking', we just have to be careful the way we describe what we find

well said