Because constitutional claims are of great magnitude, appellate courts might be more lenient to review the claim even if it was not preserved.
bɪkˈʌz kˌɑːnstɪtˈuːʃənəl klˈeɪmz ɑːɹ ʌv ɡɹˈeɪt mˈæɡnɪtˌuːd, ɐpˈɛlət kˈoːɹts mˌaɪt biː mˈoːɹ lˈiːnɪənt tə ɹᵻvjˈuː ðə klˈeɪm ˈiːvən ɪf ɪt wʌz nˌɑːt pɹɪzˈɜːvd.