Final answer:
The sentence from the interview with Turkish chef Musa Dağdeviren contained a punctuation error which has been corrected to reflect the declarative nature of the statement. Proper punctuation and capitalization vary depending on context, with more formal communications typically adhering strictly to grammatical rules.
Step-by-step explanation:
The question asks us to correct any errors in capitalization or punctuation in a given sentence. After reviewing the sentence, the correct form should be: In an interview, Turkish chef Musa Dağdeviren lovingly compared the unique style of a chef to 'fingerprints or handwriting.' In this corrected sentence, we start with a capital letter because it is the beginning of the sentence, and we replace the erroneous question mark with a period to correctly end the declarative sentence.
Additionally, studying different uses of capitalization and punctuation can reveal patterns in communication. For example, in casual contexts, people often use less formal language and make fewer necessary punctuation marks, while they tend to use more formal language with proper punctuation in more formal or important communications.